?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Hoang%2C+Thai+Son&rft.aulast=Hoang&rft.aufirst=Thai+Son&rft.date=2012&rft.atitle=Abstractions+of+Non-interference+Security%3A+Probabilistic+versus+Possibilistic&rft.title=Formal+Aspects+of+Computing&rft.genre=article